CORD-19:35349bb1fc9290338907b7d7f104c9db3951163b / 225791-225919 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T1637","span":{"begin":0,"end":128},"obj":"Sentence"},{"id":"T23876","span":{"begin":0,"end":128},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"All students were asked to complete an optional retention test, composed of questions from the pre and posttests, 1 month later."}